%{
    This file is part of StemCellQC, a video bioinformatics software
    toolkit for analysis of phase contrast microscopy videos.
    Copyright 2013-2015 Vincent On. [vincenton001-at-gmail.com]

    StemCellQC is free software: you can redistribute it and/or 
    modify it under the terms of the GNU General Public License as 
    published by the Free Software Foundation, either version 3 of the 
    License, or (at your option) any later version.

    StemCellQC is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with StemCellQC.  If not, see <http://www.gnu.org/licenses/>.
%}

%% function outputs an array of the distances of every perimeter to pixel to the shape's centriod 

function D = cen2peri_dist(sil)

B = bwboundaries(sil);
C = regionprops(sil, 'Centroid');

D = NaN(length(B{1}),1);
for i = 1:length(B{1})
    D(i,1) = pdist([C.Centroid; B{1}(i,:)]);
end
